March weather forecastProspect Heights, IL
March
Weather in March
The first month of the spring, March, is a frosty month in Prospect Heights, Illinois, with an average temperature ranging between max 43.5°F (6.4°C) and min 30.9°F (-0.6°C).Temperature
In March, the meteorological conditions change with the average high-temperature moving from a subzero cold 31.6°F (-0.2°C) in February to a chilly 43.5°F (6.4°C). During the nights in March, Prospect Heights observes an average low-temperature of 30.9°F (-0.6°C).Humidity
The average relative humidity in March is 75%.Rainfall
In March, the rain falls for 11 days. Throughout March, 1.85" (47mm) of precipitation is accumulated. Throughout the year, there are 153.3 rainfall days, and 30.12" (765mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Prospect Heights, during March, snow falls for 5.8 days and regularly aggregates up to 1.38" (35mm) of snow. In Prospect Heights, during the entire year, snow falls for 43.6 days and aggregates up to 17.95" (456mm) of snow.Daylight
In March, the average length of the day is 11h and 58min.On the first day of the month, sunrise is at 6:25 am and sunset at 5:42 pm CST. On the last day of March, sunrise is at 6:34 am and sunset at 7:16 pm CDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from CDT to CST.
Sunshine
In Prospect Heights, the average sunshine in March is 6h.UV index
In Prospect Heights, the average daily maximum UV index in March is 2. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for average individuals.Note: In March, the maximum UV index of 2 translates into these guidelines:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Prospect Heights, IL
- Average high temperature in March: 43.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.2°F).
- Average low temperature in March: 30.9°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in March
Prospect Heights, IL
- Average pressure in March: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in March
Prospect Heights, IL
- Average wind speed in March: 9.7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in March
Prospect Heights, IL
- Average humidity in March: 75%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in March
Prospect Heights, IL
- Average rainfall in March: 1.85"
The wettest month (with the highest rainfall) is May (3.9").
The driest month (with the least rainfall) is December (1.46").
Average rainfall days in March
Prospect Heights, IL
- Average rainfall days in March: 11 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in March
Prospect Heights, IL
- Average snowfall in March: 1.38"
The month with the highest snowfall is January (4.96").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in March
Prospect Heights, IL
- Average snowfall days in March: 5.8 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in March /
Average sunshine in March
Prospect Heights, IL
- Average daylight in March: 12h and 0min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in March: 6h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in March
Prospect Heights, IL
- Average sunshine days in March: 14.3 days
The month with the most sunshine days is November (16.3 days).
The month with the least sunshine days is June (10.7 days).
Average UV index in March
Prospect Heights, IL
- Average UV index in March: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in March
Prospect Heights, IL
- Average cloud cover in March: 51
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in March
Prospect Heights, IL
- Average visibility in March: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





